The Communist Youth of Greece (Greek: Κομμουνιστική Νεολαία Ελλάδας, romanized: Kommounistiki Neolea Elladas; Greek: ΚΝΕ, romanized: KNE) is the youth organization of the Communist Party of Greece (KKE).

KNE was founded on 15 September 1968, with a decision of the Political Bureau of the Central Committee of the KKE, during the Greek military junta of 1967-1974, as an organization of youth with revolutionary and communist features.

In autumn 1989, disagreeing with the participation of the KKE in the Tzannetakis and Zolotas national unity governments, a large group, including the major part of KNE under its secretary-general George Grapsas [el], split [el] from the KKE and formed the New Left Current (NAR).

45% of the central committee and KKE secretary-general Grigoris Farakos [el]), and restored KNE with the efforts of some hundreds of members.

In the late 2000s, KNE decided to constitute MAS (Front of Students' Struggle) (Greek: Μέτωπο Αγώνα Σπουδαστών, ΜΑΣ Metopo Agona Spoudaston) which was finally founded by students' organizations in Athens, 6 November 2009.